Question about 2006 Hero Honda CD Dawn

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Excess smoke There is an excess smoke from the exhaust.

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  • Anonymous Jan 29, 2009

    My bike has given white smoke alongwith oil from the exhaust system.

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Check petrol quality. Check oil level. If found to be reducing on use visit the nearest Hero Honda Authorised Service Station since it could be due to piston and bore problem.,

Posted on Nov 10, 2008

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I just found raw oil in filter an box,blue smoke coming from exhaust an air in crankcase what is the problem.


Hi Robert it is normal for a very small amount of oil to be present in the air box. Also the speed of the pistons going up and down cause crank case pressure this too is normal. But if the piston rings are worn the compression can escape into the crank case causing excess pressure which would blow excess oil into the box and it could be sucked in and burnt causing smoke. Sorry Robert for the long answer. The first thing to do is do a compression test when it's cold and also when it's hot. Then compare the two. If compression is low you will need to strip the motor and see what's needed from there. Regards Jim...

May 17, 2015 | Motorcycles

1 Answer

Started smoking and running bad after i changed oil and plugs


Depends what colour the smoke is black usually is too much oil or piston rings gone causing engine to burn off excess oil, white or blue smoke on the other hand is coolant or water leaking into the head due to a blown head gasket or cracked head, put your hand over the exhaust when it's running if it gets wet the head gasket is go e

Oct 11, 2014 | 2007 Suzuki Boulevard C50T

1 Answer

Smoke from exuest


Exhaust smoke from an air-cooled engine will either be oil or excess fuel. On an Innova it will be oil as the engine will not run with a fuel mixture rich enough to show unburned fuel in the exhaust
Oil smoke is generally caused by worn piston rings or worn exhaust valve guides.
Worn piston rings will show smoke all the time the engine is running. Worn valve guides will generate a puff of smoke after the throttle is re-opened after it has been held open for a while and then shut off.

The only cure is to replace the worn components and that may include a new piston/cylinder assembly as on these bikes, a re-bore is more expensive than replacement.

In both cases the engine wear is because the engine oil used failed to deal with the heat of the piston rings and/or valve guides, The usual reason is that the engine was used hard, the oil wasn't of good enough quality to deal with the heat, and broke down around the engine's hottest parts.

If you are going to abuse any small engine, use a (non car brand specific) fully synthetic oil like Amsoil 0w-40, Mobil 1 0w-40 or similar.

Jan 25, 2014 | 2006 Honda ANF125 Innova

1 Answer

Bike release black smoke


black smoke means to much fuel in the combustion chamber, the black smoke is the excess fuel that not get burned on the compression stroke, adjust the air/fuel mixture, dial fuel back lil by lil til no more smoke

Sep 26, 2013 | 2007 Hero Honda Passion Plus

1 Answer

Hello I have a 2004 Honda VTX 1300C, my motorcycle is popping and crackling. When I roll on the throttle it starts popping more and acts like it wants to die, when I decelerate it pops and backfires. I had...


you might consider the fuel mixture being too rich and that excess gas is getting into the exhaust and exploding there; it could also be that the exhaust valves in your engine are not closing all the way and excess gas is pouring into the exhaust, last is timing...if it is off, the exhaust valve will be off cycle too and might do the same thing...Check it out!

Jan 23, 2013 | Motorcycles

1 Answer

Excess smoke from exhaust


I would make sure the oil level is not too high. Next I would remove a spark plug and test compression to see whether your rings are worn excessively.Hope this helps.

Jan 08, 2012 | Yamaha DT 125 R Motorcycles

1 Answer

I ran my xr400r with no oil in it for 2 minutes could i done any damage


you could have damaged it, but if you were just at idle, you may be ok. If you were out running hard, maybe a bit of damage.
Either way, drain the oil and change the filter. Then check the waste oil for metal particles...
that will be a good indicator of damage.
Also after you add new oil, run it and check for excess noise.
Thirdly, watch exhaust for excess smoke..
You may just luck out here...

Mar 11, 2010 | 2003 Honda XR 400R

1 Answer

Kawasaki ZZR600 Y reg 2001 - after being started for about 5 minutes, then switched off a little smoke comes out of one side?


Thats just a little excess fuel in the exhust.that happens when engine and exhaust are not completely warmed up. My bike does the same thing.

Feb 14, 2010 | 2001 kawasaki ZZR 600

2 Answers

Smoke coming out the exhaust when giving gas


Assuming you have the correct amount of oil in the gearbox, the piston rings may be wearing out.

Aug 17, 2009 | 2005 Honda CRF 250 R

1 Answer

Smoke


Check petrol quality. Check oil level. If found to be reducing on use visit the nearest Authorised Service Station since it could be due to piston and bore problem.,

Nov 10, 2008 | 2005 Hartford HD-125S

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